@extends('admin.main')

@section('content')
<div class="wrapper wrapper-content">
    <div class="ibox">
        <div class="ibox-title">
            <h5>文件柜</h5>
        </div>
        <div class="ibox-content">
            <div class="m-b">
                <a href="javascript:;" id="btnRefresh" class="btn btn-default m-l-xs"><i class="fa fa-refresh"></i> 刷新</a>
                <a href="javascript:;" id="btnReverse" class="btn btn-white m-l-xs"><i class="fa fa-retweet"></i> 反向选择</a>
                <a href="javascript:;" id="btnAddFolder" class="btn btn-success m-l-xs"><i class="fa fa-folder"></i> 新建文件夹</a>
                <a href="javascript:;" id="btnUploadFile" class="btn btn-primary m-l-xs"><i class="fa fa-upload"></i> 上传文件</a>
                <a href="javascript:;" id="btnMove" class="btn btn-info m-l-xs"><i class="fa fa-cut"></i> 移动</a>
                <a href="javascript:;" id="btnRemove" class="btn btn-danger m-l-xs"><i class="fa fa-trash"></i> 删除</a>
            </div>
            <div class="hr-line-dashed"></div>
            <table id="tblDataList" class="table table-hover">
                <thead>
                    <tr>
                        <th width="60"><input type="checkbox" id="checkAll" title="全选" /></th>
                        <th>文件名</th>
                        <th width="140">大小</th>
                        <th width="140">时间</th>
                        <th width="200"></th>
                    </tr>
                </thead>
                <tbody></tbody>
            </table>
            <div class="text-center">
                <ul class="pagination m-n"></ul>
            </div>
        </div>
    </div>
</div>

<script id="tplDataListTr" type="text/html">
    @{{if folder}}
    <tr data-id="@{{folder.f_id}}">
        <td></td>
        <td colspan="4">
            <a href="javascript:;" class="js-folderName"><i class="fa fa-arrow-circle-up"></i> 返回上一级文件夹</a>
        </td>
    </tr>
    @{{/if}}
    @{{each folder_rows row i}}
    <tr data-id="@{{row.id}}">
        <td><i class="fa fa-folder"></i></td>
        <td><a href="javascript:;" class="js-folderName">@{{row.name}}</a></td>
        <td></td>
        <td>@{{row.created_at}}</td>
        <td align="right">
            <a href="javascript:;" class="label label-info m-r-xs js-rndir">
                <i class="fa fa-pencil-square-o fa-lg"></i> 改名
            </a>
            <a href="javascript:;" class="label label-danger m-r-xs js-rmdir">
                <i class="fa fa-trash fa-lg"></i> 删除
            </a>
        </td>
    </tr>
    @{{/each}}
    @{{each file_rows row i}}
    <tr class="filesListTr" data-id="@{{row.id}}">
        <td><input type="checkbox" name="ids" value="1" /></td>
        <td><a href="javascript:;" class="js-fileTitle">@{{row.title}}</a></td>
        <td>@{{ $imports.getRealSize(row.file_size) }}</td>
        <td>@{{row.created_at}}</td>
        <td align="right">
            <a href="javascript:;" class="label label-info m-r-xs js-rename">
                <i class="fa fa-pencil-square-o fa-lg"></i> 重命名
            </a>
            <a href="javascript:;" class="label label-warning m-r-xs js-download">
                <i class="fa fa-download fa-lg"></i> 下载
            </a>
        </td>
    </tr>
    @{{/each}}
</script>

<script id="tplAddFolder" type="text/html">
    <div class="row">
        <div class="col-md-3 text-right">
            <i class="fa fa-question-circle fa-4x"></i>
        </div>
        <div class="col-md-9">
            <label class="control-label">文件夹名称：</label>
            <input type="text" id="txtFolderName" value="@{{folderName}}" class="form-control" autofocus />
        </div>
    </div>
</script>

<script id="tplRenFileName" type="text/html">
    <div class="row">
        <div class="col-md-3 text-right">
            <i class="fa fa-question-circle fa-4x"></i>
        </div>
        <div class="col-md-9">
            <label class="control-label">新文件名：</label>
            <input type="text" id="txtFileTitle" value="@{{fileName}}" class="form-control" autofocus />
        </div>
    </div>
</script>

<script id="tplFolderZtree" type="text/html">
    <ul id="zTreeFolder" class="ztree"></ul>
</script>

<script id="tplUploadPanel" type="text/html">
    <div id="uploader">
        <div class="queueList">
            <div id="dndArea" class="placeholder">
                <div id="filePicker"></div>
                <p>或将照片拖到这里，单次最多可选20张</p>
            </div>
        </div>
        <div class="statusBar" style="display:none;">
            <div class="progress">
                <span class="text">0%</span>
                <span class="percentage"></span>
            </div><div class="info"></div>
            <div class="btns">
                <div id="filePicker2"></div><div class="uploadBtn">开始上传</div>
            </div>
        </div>
    </div>
</script>
@endsection

@section('pageheader')
<link href="/assets/WebUploader/webuploader.css" rel="stylesheet">
<link href="/assets/WebUploader/myuploader.css" rel="stylesheet">
<link href="/assets/fancybox/jquery.fancybox.css" rel="stylesheet">
<link href="/assets/zTree/css/myStyle/myStyle.css" rel="stylesheet">
<style>
    #zTreeFolder{padding: 10px; border: 1px solid #ccc;}
</style>
@endsection

@section('pagescript')
<script src="/assets/WebUploader/webuploader.js"></script>
<script src="/assets/fancybox/jquery.fancybox.pack.js"></script>
<script src="/assets/zTree/js/jquery.ztree.core-3.5.js"></script>
<script src="/assets/zTree/js/jquery.ztree.exedit-3.5.js"></script>
<script>
    $("#side-menu li[rel='userfiles']").addClass("active")
        .parents("ul").addClass("in").parents("li").addClass("active");

    seajs.use('models/userfilesModel', function(userfilesModel) {
        var artDialog, uploader;
        template.defaults.imports.getRealSize = getRealSize;

        $("#checkAll").on("click", function(){
            var that = this;
            $("input[name='ids']").each(function(){
                this.checked = that.checked;
            });
        });

        $("#btnRefresh").on("click", function(){
            renderList();
        });

        $("#btnReverse").on("click", function(){
            $("input[name='ids']").each(function(){
                this.checked = ! this.checked;
                var m = $(".filesListTr").size();
                var n = $(".filesListTr input:checked").size();
                $("#checkAll").prop("checked", (m === n));
            });
        });

        var filter = {limit:20, page:1, f_id:0};
        var renderList = function(){
            $("#tblDataList tbody").html('<tr><td><p class="ibox-loading-31">&nbsp;</p></td></tr>');
            userfilesModel.getPageRows(filter, function(data){
                $("#tblDataList tbody").html(template("tplDataListTr", data));
                $(".pagination").append(page(data.page_count, data.total_rows, data.page));
            }, failure);
        };
        renderList();

        $(".pagination").on("click", "li a", function(){
            filter.page = $(this).attr("rel");
            renderList();
        });

        $("#btnAddFolder").on("click", function(){
            artDialog = layer.open({
                title: '新建文件夹',
                content: template("tplAddFolder", {'folderName':''}),
                btn: ['确定', '取消'],
                yes: function(index){
                    var name = $("#txtFolderName").val();
                    if(required_check(name) === false){
                        $("#txtFolderName").focus();
                        return false;
                    }
                    userfilesModel.addFolder({"f_id":filter.f_id,"name":name}, function(data){
                        renderList();
                        layer.close(index);
                    }, failure);
                },
            });
        });

        var WebUploadInit = function(){
            $wrap = $('#uploader'),
            // 图片容器
            $queue = $('<ul class="filelist"></ul>')
            .appendTo($wrap.find('.queueList') ),
            // 状态栏，包括进度和控制按钮
            $statusBar = $wrap.find('.statusBar'),
            // 文件总体选择信息。
            $info = $statusBar.find('.info'),
            // 上传按钮
            $upload = $wrap.find('.uploadBtn'),
            // 没选择文件之前的内容。
            $placeHolder = $wrap.find('.placeholder'),
            // 总体进度条
            $progress = $statusBar.find('.progress').hide(),
            // 添加的文件数量
            fileCount = 0,
            // 添加的文件总大小
            fileSize = 0,
            // 优化retina, 在retina下这个值是2
            ratio = window.devicePixelRatio || 1,
            // 缩略图大小
            thumbnailWidth = 110 * ratio,
            thumbnailHeight = 110 * ratio,
            // 可能有pedding, ready, uploading, confirm, done.
            state = 'pedding',
            // 所有文件的进度信息，key为file id
            percentages = {},
            supportTransition = (function(){
                var s = document.createElement('p').style,
                r = 'transition' in s ||
                'WebkitTransition' in s ||
                'MozTransition' in s ||
                'msTransition' in s ||
                'OTransition' in s;
                s = null;
                return r;
            })();
            if (! WebUploader.Uploader.support()) {
                alert('Web Uploader 不支持您的浏览器！如果你使用的是IE浏览器，请尝试升级 flash 播放器');
                throw new Error('WebUploader does not support the browser you are using.' );
            }
            // 实例化
            uploader = WebUploader.create({
                pick: {
                    id: '#filePicker',
                    label: '点击选择图片'
                },
                dnd: '#uploader .queueList',
                paste: document.body,
                accept: {
                    title: 'Images',
                    extensions: 'gif,jpg,jpeg,bmp,png',
                    mimeTypes: 'image/*'
                },
                swf: "{{asset('assets/WebUploader/Uploader.swf')}}",
                disableGlobalDnd: true,
                chunked: true,
                server: "{{url('admin/userfiles/upload-file')}}",
                fileNumLimit: 20,
                fileSizeLimit: 100 * 1024 * 1024,
                fileSingleSizeLimit: 20 * 1024 * 1024,
                formData: {"folder_id": filter.f_id}
            });
            // 添加“添加文件”的按钮，
            uploader.addButton({
                id: '#filePicker2',
                label: '继续添加'
            });
            // 当有文件添加进来时执行，负责view的创建
            function addFile(file ) {
                var $li = $('<li id="' + file.id + '">' +
                    '<p class="title">' + file.name + '</p>' +
                    '<p class="imgWrap"></p>'+
                    '<p class="progress"><span></span></p>' +
                '</li>' ),
                $btns = $('<div class="file-panel">' +
                '<span class="cancel">删除</span>' +
                '<span class="rotateRight">向右旋转</span>' +
                '<span class="rotateLeft">向左旋转</span></div>').appendTo($li),
                $prgress = $li.find('p.progress span'),
                $wrap = $li.find('p.imgWrap'),
                $info = $('<p class="error"></p>'),
                showError = function(code) {
                    switch(code) {
                        case 'exceed_size':
                            text = '文件大小超出';
                            break;
                        case 'interrupt':
                            text = '上传暂停';
                            break;
                        default:
                            text = '上传失败，请重试';
                            break;
                    }
                    $info.text(text).appendTo($li);
                };
                if (file.getStatus() === 'invalid') {
                    showError(file.statusText);
                } else {
                    $wrap.text('预览中');
                    uploader.makeThumb(file, function(error, src){
                    if (error) {
                        $wrap.text('不能预览');
                        return;
                    }
                    var img = $('<img src="'+src+'" />');
                    $wrap.empty().append(img);
                    }, thumbnailWidth, thumbnailHeight );
                    percentages[file.id] = [file.size, 0];
                    file.rotation = 0;
                }
                file.on('statuschange', function(cur, prev) {
                    if (prev === 'progress') {
                        $prgress.hide().width(0);
                    }else if (prev === 'queued') {
                        $li.off('mouseenter mouseleave');
                        $btns.remove();
                    }
                    if (cur === 'error' || cur === 'invalid' ) {
                        showError(file.statusText);
                        percentages[file.id][1] = 1;
                    } else if (cur === 'interrupt' ) {
                        showError('interrupt');
                    } else if (cur === 'queued' ) {
                        percentages[file.id][1] = 0;
                    } else if (cur === 'progress' ) {
                        $info.remove();
                        $prgress.css('display', 'block');
                    } else if (cur === 'complete' ) {
                        $li.append('<span class="success"></span>');
                    }
                    $li.removeClass('state-' + prev).addClass('state-' + cur);
                });
                $li.on('mouseenter', function() {
                    $btns.stop().animate({height: 30});
                });
                $li.on('mouseleave', function() {
                    $btns.stop().animate({height: 0});
                });
                $btns.on('click', 'span', function() {
                    var index = $(this).index(), deg;
                    switch (index) {
                        case 0:
                            uploader.removeFile(file);
                            return;
                        case 1:
                            file.rotation += 90;
                            break;
                        case 2:
                            file.rotation -= 90;
                            break;
                    }
                    if (supportTransition) {
                        deg = 'rotate(' + file.rotation + 'deg)';
                        $wrap.css({
                            '-webkit-transform': deg,
                            '-mos-transform': deg,
                            '-o-transform': deg,
                            'transform': deg
                        });
                    } else {
                        $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation='+ (~~((file.rotation/90)%4 + 4)%4) +')');
                    }
                });
                $li.appendTo($queue);
            }
            function removeFile(file) {
                var $li = $('#'+file.id);
                delete percentages[file.id];
                updateTotalProgress();
                $li.off().find('.file-panel').off().end().remove();
            }
            function updateTotalProgress() {
                var loaded = 0,
                total = 0,
                spans = $progress.children(),
                percent;
                $.each(percentages, function(k, v){
                    total += v[0];
                    loaded += v[0] * v[1];
                });
                percent = total ? loaded / total : 0;
                spans.eq(0).text(Math.round(percent * 100 ) + '%');
                spans.eq(1).css('width', Math.round(percent * 100) + '%');
                updateStatus();
            }
            function updateStatus() {
                var text = '', stats;
                if (state === 'ready') {
                    text = '选中' + fileCount + '张图片，共' +
                    WebUploader.formatSize(fileSize) + '。';
                } else if (state === 'confirm') {
                    stats = uploader.getStats();
                    if (stats.uploadFailNum) {
                        text = '已成功上传' + stats.successNum+ '张照片至XX相册，'+
                        stats.uploadFailNum + '张照片上传失败，<a class="retry" href="#">重新上传</a>失败图片或<a class="ignore" href="#">忽略</a>'
                    }

                } else {
                    stats = uploader.getStats();
                    text = '共' + fileCount + '张（' +
                    WebUploader.formatSize(fileSize) +
                    '），已上传' + stats.successNum + '张';
                    if (stats.uploadFailNum) {
                        text += '，失败' + stats.uploadFailNum + '张';
                    }
                }
                $info.html(text);
            }
            function setState(val) {
                var file, stats;
                if (val === state) return;
                $upload.removeClass('state-' + state);
                $upload.addClass('state-' + val);
                state = val;
                switch (state) {
                    case 'pedding':
                        $placeHolder.removeClass('element-invisible');
                        $queue.parent().removeClass('filled');
                        $queue.hide();
                        $statusBar.addClass('element-invisible');
                        uploader.refresh();
                        break;
                    case 'ready':
                        $placeHolder.addClass('element-invisible');
                        $('#filePicker2').removeClass('element-invisible');
                        $queue.parent().addClass('filled');
                        $queue.show();
                        $statusBar.removeClass('element-invisible');
                        uploader.refresh();
                        break;
                    case 'uploading':
                        $('#filePicker2').addClass('element-invisible');
                        $progress.show();
                        $upload.text('暂停上传');
                        break;
                    case 'paused':
                        $progress.show();
                        $upload.text('继续上传');
                        break;
                    case 'confirm':
                        $progress.hide();
                        $upload.text('开始上传').addClass('disabled');
                        stats = uploader.getStats();
                        if (stats.successNum && !stats.uploadFailNum) {
                            setState('finish');
                            return;
                        }
                        break;
                    case 'finish':
                        stats = uploader.getStats();
                        if (stats.successNum) {
                            alert('上传成功');
                            renderList(filter);
                            layer.close(artDialog);
                        } else {
                            state = 'done';
                        }
                        break;
                }
                updateStatus();
            }
            uploader.onUploadProgress = function(file, percentage) {
                var $li = $('#'+file.id),
                $percent = $li.find('.progress span');
                $percent.css('width', percentage * 100 + '%');
                percentages[file.id][1] = percentage;
                updateTotalProgress();
            };
            uploader.onFileQueued = function(file) {
                fileCount++;
                fileSize += file.size;
                if (fileCount === 1) {
                    $placeHolder.addClass('element-invisible');
                    $statusBar.show();
                }
                addFile(file);
                setState('ready');
                updateTotalProgress();
            };
            uploader.onFileDequeued = function(file) {
                fileCount--;
                fileSize -= file.size;
                if (!fileCount) {
                    setState('pedding');
                }
                removeFile(file);
                updateTotalProgress();
            };
            uploader.on('all', function(type) {
                var stats;
                switch(type) {
                    case 'uploadFinished':
                        setState('confirm');
                        break;
                    case 'startUpload':
                        setState('uploading');
                        break;
                    case 'stopUpload':
                        setState('paused');
                        break;
                }
            });
            uploader.onError = function(code) {
                alert('Eroor: ' + code);
            };
            $upload.on('click', function() {
                if ($(this).hasClass('disabled')) {
                    return false;
                }
                if (state === 'ready') {
                    uploader.upload();
                } else if (state === 'paused') {
                    uploader.upload();
                } else if (state === 'uploading') {
                    uploader.stop();
                }
            });
            $info.on('click', '.retry', function() {
                uploader.retry();
            });
            $info.on('click', '.ignore', function() {
                alert('todo');
            });
            $upload.addClass('state-' + state);
            updateTotalProgress();
        };

        $("#btnUploadFile").on("click", function(){
            artDialog = layer.open({
                title: "上传文件",
                content: template("tplUploadPanel", {}),
                area: "740px",
                btn: false,
                closeBtn: false,
                shadeClose: true,
                success: function(){
                    setTimeout(function(){
                        WebUploadInit();
                    }, 450);
                }
            });
        });

        $("#tblDataList").on("click", ".js-folderName", function(){
            filter.f_id = $(this).parents("tr").eq(0).data("id");
            renderList();
        });

        $("#tblDataList").on("click", ".js-rndir", function(){
            var id = $(this).parents("tr").eq(0).data('id');
            var obj = $(this).parents("tr").eq(0).find(".js-folderName");
            var name = obj.text().replace(/\"/g, "&quot;");
            layer.open({
                title: '文件夹改名',
                content: template("tplAddFolder", {'folderName':name}),
                btn: ['确定', '取消'],
                yes: function(index){
                    var result = $("#txtFolderName").val();
                    if(required_check(result) == false){
                        $("#txtFolderName").focus();
                        return false;
                    }
                    if(result == name) return true;
                    userfilesModel.renFolder({"id":id,"name":result}, function(data){
                        obj.text(data.name);
                        layer.close(index);
                    }, failure);
                },
                area: "400px"
            });
        });

        $("#tblDataList").on("click", ".js-rmdir", function(e){
            var id = $(this).parents("tr").eq(0).data('id');
            layer.confirm('您确定要删除此文件夹吗？', {icon: 3}, function(index){
                userfilesModel.removeFolder({'id':id}, function(){
                    layer.close(index);
                    renderList();
                }, failure);
            });
        });

        $("#tblDataList").on("click", ".js-fileTitle", function(){
            var id = $(this).parents("tr").eq(0).data("id");
            userfilesModel.getFileInfo({'id':id}, function(data){
                $.fancybox(data.file_url);;
            }, failure);
        });

        $("#tblDataList").on("click", ".js-rename", function(){
            var id = $(this).parents("tr").eq(0).data('id'),
                obj = $(this).parents("tr").eq(0).find(".js-fileTitle");
            var title = obj.text().replace(/\"/g, "&quot;"),
                file_ext = title.substring(title.lastIndexOf("."), title.length),
                name = title.substring(0, title.lastIndexOf("."));
            layer.open({
                title: '文件重命名',
                content: template("tplRenFileName", {'fileName':name}),
                btn: ['确定', '取消'],
                yes: function(index){
                    var result = $("#txtFileTitle").val();
                    if(required_check(result) == false){
                        $("#txtFileTitle").focus();
                        return false;
                    }
                    if(result == name) return true;
                    name = result + file_ext;
                    userfilesModel.renFile({"id":id,"title":name}, function(data){
                        obj.text(data.title);
                        layer.close(index);
                    }, failure);
                },
                area: "400px"
            });
        });

        $("#tblDataList").on("click", ".js-download", function(){
            var id = $(this).parents("tr").eq(0).data("id");
            var url = "{{url('admin/userfiles/download-file')}}?id=" + id;
            window.open(url);
        });

        //拖拽前执行
        var dragpId;
        var zTreeBeforeDrag = function(treeId, treeNodes) {
            for(var i = 0, l = treeNodes.length; i < 1; i++){
                dragpId = treeNodes[i].pId;
                if(treeNodes[i].drag == false){
                    return false;
                }
            }
            return true;
        };

        //拖拽释放之后执行
        var zTreeBeforeDrop = function(treeId, treeNodes, targetNode, moveType) {
            if(targetNode.id == 0){
                return false;
            }
            if(targetNode.pId != dragpId){
                return false;
            }
            var data = {'id':treeNodes[0].id,'targetId':targetNode.id,'moveType':moveType};
            userfilesModel.changeSortByZtree(data, function(result){
                return true;
            }, failure);
        };

        var loadTreeList = function(zNodes) {
            var setting = {
                view: {dblClickExpand: false, selectedMulti: false, showLine: false},
                edit: {enable:true,showRemoveBtn:false,showRenameBtn:false,drag:{autoExpandTrigger: true, isCopy: false,isMove: true, prev : true, inner: false, next : true}},
                data: {simpleData: {enable: true, rootPId: '0'}},
                callback: {'beforeDrag':zTreeBeforeDrag,'beforeDrop':zTreeBeforeDrop}
            };
            $.fn.zTree.init($("#zTreeFolder"), setting, zNodes);
            var treeObj = $.fn.zTree.getZTreeObj("zTreeFolder");
            var treeNodes = treeObj.getNodes();
            if(treeNodes.length > 0){
                treeObj.selectNode(treeNodes[0]);
            }
        };

        $("#btnMove").on("click", function(){
            var keys = new Array();
            $("input[name='ids']").each(function(){
                if($(this).prop("checked")){
                    keys.push($(this).parents("tr").eq(0).data("id"));
                }
            });
            var keyValue = keys.join("|");
            if(keyValue){
                userfilesModel.getFolderZtree(null, function(data){
                    layer.open({
                        title: "移动文件到",
                        content: template("tplFolderZtree", {}),
                        btn: ['确定', '取消'],
                        yes: function(index){
                            var treeObj = $.fn.zTree.getZTreeObj("zTreeFolder"),
                                nodes = treeObj.getSelectedNodes(),
                                treeNode = nodes[0];
                            if(!treeNode){
                                failure("请选择目标文件夹");
                                return false;
                            }
                            if(treeNode.id == filter.f_id){
                                return true;
                            }
                            userfilesModel.moveFiles({'ids':keyValue, "folder_id":treeNode.id}, function(){
                                renderList();
                                layer.close(index);
                            }, failure);
                        },
                        success: function(){
                            loadTreeList(data);
                        }
                    });
                }, failure);
            }else{
                failure('请先选择准备移动的文件！');
            }
        });

        $("#btnRemove").on("click", function(){
            var keys = new Array();
            $("input[name='ids']").each(function(){
                if($(this).prop("checked")){
                    keys.push($(this).parents("tr").eq(0).data("id"));
                }
            });
            var keyValue = keys.join("|");
            if(keyValue){
                layer.confirm('即将删除所选择文件, 且该操作不能恢复! <br />是否继续？', {icon: 3}, function(index){
                    userfilesModel.removeFiles({"ids":keyValue}, function(){
                        $(".filesListTr").each(function(){
                            if($(this).find("input[name='ids']").prop("checked")){
                                $(this).remove();
                            }
                        });
                        $("#checkAll").prop("checked", false);
                        layer.close(index);
                    }, failure);
                });
            }else{
                failure('请先选择准备删除的文件！');
            }
        });
    });
</script>
@endsection
